Ethiopia on Wednesday warned of a “last chance” to reach an agreement on the filling and operation of the $5 billion dam being built by Addis Ababa on the Nile.

“This is the last chance,” Ethiopian Water Minister Sileshi Bekele said at the fourth and last round of talks between water ministers and technical experts from Ethiopia, Sudan and Egypt in the capital Addis Ababa.

The three countries have been in talks on the Grand Ethiopian Renaissance Dam (GERD) since March 2015, when they adopted a Declaration of Principles including the principle of “no significant harm” on

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